Hmm, that's very strange. The user content store znode only has been
deleted when the workflow is gone. From the log, it shows the znode is
gone. Could you please try to dig the log to find whether the workflow has
been manually killed? If that's the case, then it is possible you have the
problem.
On Fri, Nov 9, 2018 at 12:13 PM DImuthu Upeksha <dimuthu.upeks...@gmail.com>
wrote:
> Hi Junkai,
>
> Thanks for your suggestion. You have captured most of the parts correctly.
> There are two jobs as job1 and job2. And there is a dependency that job2
> depends on job1. Until job1 is completed job2 should not be scheduled. And
> task 1 in job 1 is calling that method and it is not updating anyone's
> content. It's just putting and value in workflow level. What do you mean my
> keeping a key-value store in workflow level? I already use that key value
> store given by helix by calling putUserContent method.
>
> public void sendNextJob(String jobId) {
> putUserContent(WORKFLOW_STARTED, "TRUE", Scope.WORKFLOW);
> if (jobId != null) {
> putUserContent(NEXT_JOB, jobId, Scope.WORKFLOW);
> }
> }
>
> Dimuthu
>
>
> On Fri, Nov 9, 2018 at 2:48 PM Xue Junkai <junkai....@gmail.com> wrote:
>
> > In my understanding, it could be you have job1 and job2. The task running
> > in job1 tries to update content for job2. Then, there could be a race
> > condition happening here that job2 is not scheduled.
> >
> > If that's the case, I suggest you can put key-value store at workflow
> level
> > since this is cross-job operation.
> >
> > Best,
> >
> > Junkai
> >
> > On Fri, Nov 9, 2018 at 11:45 AM DImuthu Upeksha <
> > dimuthu.upeks...@gmail.com>
> > wrote:
> >
> > > Hi Junkai,
> > >
> > > This method is being called inside a running task. And it is working
> for
> > > most of the time. I only saw this in 2 occasions for last few months
> and
> > > both of them happened today and yesterday.
> > >
> > > Thanks
> > > Dimuthu
> > >
> > > On Fri, Nov 9, 2018 at 2:40 PM Xue Junkai <junkai....@gmail.com>
> wrote:
> > >
> > > > User content store node will be created one the job has been
> scheduled.
> > > In
> > > > your case, I think the job is not scheduled. This method usually has
> > been
> > > > utilized in running task.
> > > >
> > > > Best,
> > > >
> > > > Junkai
> > > >
> > > > On Fri, Nov 9, 2018 at 8:19 AM DImuthu Upeksha <
> > > dimuthu.upeks...@gmail.com
> > > > >
> > > > wrote:
> > > >
> > > > > Hi Helix Folks,
> > > > >
> > > > > I'm having this sporadic issue in some tasks of our workflows when
> we
> > > try
> > > > > to store a value in the workflow context and I have added both code
> > > > section
> > > > > and error message below. Do you have an idea what's causing this?
> > > Please
> > > > > let me know if you need further information. We are using Helix
> 0.8.2
> > > > >
> > > > > public void sendNextJob(String jobId) {
> > > > > putUserContent(WORKFLOW_STARTED, "TRUE", Scope.WORKFLOW);
> > > > > if (jobId != null) {
> > > > > putUserContent(NEXT_JOB, jobId, Scope.WORKFLOW);
> > > > > }
> > > > > }
> > > > >
> > > > > Failed to setup environment of task
> > > > > TASK_55096de4-2cb6-4b09-84fd-7fdddba93435
> > > > > java.lang.NullPointerException: null
> > > > > at
> org.apache.helix.task.TaskUtil$1.update(TaskUtil.java:358)
> > > > > at
> org.apache.helix.task.TaskUtil$1.update(TaskUtil.java:356)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.helix.manager.zk.HelixGroupCommit.commit(HelixGroupCommit.java:126)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.helix.manager.zk.ZkCacheBaseDataAccessor.update(ZkCacheBaseDataAccessor.java:306)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.helix.store.zk.AutoFallbackPropertyStore.update(AutoFallbackPropertyStore.java:61)
> > > > > at
> > > > >
> > > >
> > >
> >
> org.apache.helix.task.TaskUtil.addWorkflowJobUserContent(TaskUtil.java:356)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.helix.task.UserContentStore.putUserContent(UserContentStore.java:78)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.airavata.helix.core.AbstractTask.sendNextJob(AbstractTask.java:136)
> > > > > at
> > > org.apache.airavata.helix.core.OutPort.invoke(OutPort.java:42)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.airavata.helix.core.AbstractTask.onSuccess(AbstractTask.java:123)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.airavata.helix.impl.task.AiravataTask.onSuccess(AiravataTask.java:97)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.airavata.helix.impl.task.env.EnvSetupTask.onRun(EnvSetupTask.java:52)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.airavata.helix.impl.task.AiravataTask.onRun(AiravataTask.java:349)
> > > > > at
> > > > >
> org.apache.airavata.helix.core.AbstractTask.run(AbstractTask.java:92)
> > > > > at org.apache.helix.task.TaskRunner.run(TaskRunner.java:71)
> > > > > at
> > > > >
> > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> > > > > at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> > > > > at java.lang.Thread.run(Thread.java:748)
> > > > >
> > > > > Thanks
> > > > > Dimuthu
> > > > >
> > > >
> > > >
> > > > --
> > > > Junkai Xue
> > > >
> > >
> >
> >
> > --
> > Junkai Xue
> >
>
--
Junkai Xue
